1 /* This header is used during the build process to find the size and
2    alignment of the public OpenMP locks, so that we can export data
3    structures without polluting the namespace.
4 
5    In this default POSIX implementation, we used to map the two locks to the
6    same PTHREADS primitive, but for OpenMP 3.0 sem_t needs to be used
7    instead, as pthread_mutex_unlock should not be called by different
8    thread than the one that called pthread_mutex_lock.  */
9 
10 #include <pthread.h>
11 #include <semaphore.h>
12 
13 typedef pthread_mutex_t omp_lock_25_t;
14 typedef struct { pthread_mutex_t lock; int count; } omp_nest_lock_25_t;
15 #ifdef HAVE_BROKEN_POSIX_SEMAPHORES
16 /* If we don't have working semaphores, we'll make all explicit tasks
17    tied to the creating thread.  */
18 typedef pthread_mutex_t omp_lock_t;
19 typedef struct { pthread_mutex_t lock; int count; void *owner; } omp_nest_lock_t;
20 #else
21 typedef sem_t omp_lock_t;
22 typedef struct { sem_t lock; int count; void *owner; } omp_nest_lock_t;
23 #endif
24